If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

I am quite hot but become too cold if you remove the first two letters. What am I?

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

What part of the chicken has the most feathers?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not-rounded numerals equals 24.

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

What runs around the whole yard without moving?